This is the 11752nd most frequent Russian word.
задрал
"Задрал" means "lifted up" or "raised," and can also mean "annoyed" or "irritated" depending on context.
In this sentence, 'задрал' means 'lifted' or 'tilted back', indicating a physical movement of the head upwards.
Он задрал голову, чтобы рассмотреть звёзды.
He tilted his head back to look at the stars.
Here, 'задрал' refers to the act of pulling up or rolling up clothing, emphasizing a change in position of the pants.
Мальчик задрал штаны на колени, чтобы не испачкаться.
The boy rolled his pants up to the knees to avoid getting dirty.
In this case, 'задрал' is used colloquially to express irritation or being fed up caused by persistence or repetition.